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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 2009 - 2013 Utility Patent Grants
As Distributed By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From

CANADA

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to a patent- see 'Explanation of Data' )
( some classes have been combined together under a single class identifier )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed by year of patent grant.
Class Class Title 2009 2010 2011 2012 2013 Total
370 Multiplex Communications 227 297 288 338 377 1527
455 Telecommunications 121 176 258 400 461 1416
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 166 205 219 202 281 1073
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 100 151 171 190 196 808
707 DP: Database and File Management or Data Structures (Data Processing) 80 142 145 134 143 644
345 Computer Graphics Processing and Selective Visual Display Systems 67 105 97 151 204 624
435 Chemistry: Molecular Biology and Microbiology 88 101 99 122 74 484
375 Pulse or Digital Communications 56 86 76 120 141 479
382 Image Analysis 62 70 95 112 123 462
717 DP: Software Development, Installation, and Management (Data Processing) 40 57 61 95 110 363
713 Support (Electrical Computers and Digital Processing Systems) 55 62 53 86 105 361
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 41 66 72 70 104 353
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 31 69 55 87 111 353
532 Organic Compounds (includes Classes 532-570) 61 75 79 66 61 342
052 Static Structures (e.g., Buildings) 29 66 66 79 78 318
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 45 75 65 67 61 313
340 Communications: Electrical 42 55 68 67 81 313
726 Information Security 21 44 49 83 100 297
128 Surgery (includes Class 600) 30 50 57 63 87 287
280 Land Vehicles 44 41 59 49 84 277
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 37 32 51 61 87 268
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 38 46 46 56 42 228
379 Telephonic Communications 29 34 51 37 64 215
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 31 62 38 40 43 214
250 Radiant Energy 37 52 39 41 42 211
714 Error Detection/Correction and Fault Detection/Recovery 34 42 36 37 59 208
361 Electricity: Electrical Systems and Devices 35 37 44 37 46 199
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 18 28 34 39 79 198
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 17 23 32 55 69 196
702 DP: Measuring, Calibrating, or Testing (Data Processing) 29 34 43 44 42 192
365 Static Information Storage and Retrieval 23 34 46 35 53 191
348 Television 24 28 30 44 62 188
060 Power Plants 36 48 32 38 33 187
073 Measuring and Testing 37 34 32 43 39 185
210 Liquid Purification or Separation 36 30 32 53 34 185
324 Electricity: Measuring and Testing 37 32 22 37 41 169
380 Cryptography 16 28 26 34 60 164
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 28 25 30 42 35 160
711 Memory (Electrical Computers and Digital Processing Systems) 17 35 36 28 39 155
700 DP: Generic Control Systems or Specific Applications (Data Processing) 28 30 23 33 40 154
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 17 35 33 41 26 152
362 Illumination 26 35 30 20 35 146
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 41 38 27 18 21 145
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 15 29 32 37 27 140
428 Stock Material or Miscellaneous Articles 18 26 29 30 35 138
398 Optical Communications 25 29 25 32 26 137
029 Metal Working 20 29 23 31 29 132
343 Communications: Radio Wave Antennas 25 22 27 29 28 131
356 Optics: Measuring and Testing 28 25 30 20 27 130
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 20 26 30 30 23 129
606 Surgery (instruments) 11 19 29 29 41 129
359 Optical: Systems and Elements 25 38 23 15 26 127
341 Coded Data Generation or Conversion 20 17 30 20 36 123
248 Supports (e.g., for holding articles, etc.) 23 21 27 23 28 122
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 15 27 16 33 31 122
385 Optical Waveguides 38 28 15 18 21 120
320 Electricity: Battery or Capacitor Charging or Discharging 20 23 19 27 22 111
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 14 23 23 17 33 110
427 Coating Processes 8 17 16 31 36 108
296 Land Vehicles: Bodies and Tops 16 22 28 22 17 105
015 Brushing, Scrubbing, and General Cleaning 9 18 19 21 35 102
423 Chemistry of Inorganic Compounds 16 23 21 17 25 102
706 DP: Artificial Intelligence (Data Processing) 13 19 23 20 27 102
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 25 15 22 17 21 100
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 14 28 17 25 16 100
222 Dispensing (apparatus and process) 13 18 18 24 26 99
381 Electrical Audio Signal Processing Systems and Devices 9 8 17 43 22 99
123 Internal-Combustion Engines 21 14 22 19 21 97
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 14 16 19 23 23 95
175 Boring or Penetrating the Earth 15 20 17 20 21 93
180 Motor Vehicles 12 18 17 18 26 91
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 9 29 11 22 19 90
438 Semiconductor Device Manufacturing: Process 10 17 23 17 23 90
297 Chairs and Seats 32 18 11 13 14 88
415 Rotary Kinetic Fluid Motors or Pumps 11 15 12 31 19 88
463 Amusement Devices: Games 5 11 14 27 29 86
315 Electric Lamp and Discharge Devices: Systems 12 12 13 19 29 85
002 Apparel 9 17 13 19 22 80
482 Exercise Devices 8 24 28 10 10 80
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 7 8 24 24 16 79
172 Earth Working 11 17 14 19 17 78
219 Electric Heating 15 18 9 15 20 77
725 Interactive Video Distribution Systems 7 8 19 21 22 77
106 Compositions: Coating or Plastic 17 12 14 17 16 76
111 Planting 14 18 13 11 20 76
326 Electronic Digital Logic Circuitry 14 18 16 12 15 75
198 Conveyors: Power-Driven 6 14 21 11 22 74
439 Electrical Connectors 13 14 17 14 16 74
307 Electrical Transmission or Interconnection Systems 14 16 13 16 13 72
426 Food or Edible Material: Processes, Compositions, and Products 8 22 10 8 24 72
310 Electrical Generator or Motor Structure 10 21 12 15 12 70
137 Fluid Handling 11 15 7 13 23 69
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 6 11 17 18 17 69
220 Receptacles 9 13 10 17 19 68
347 Incremental Printing of Symbolic Information 5 11 5 19 25 65
414 Material or Article Handling 12 12 14 17 10 65
416 Fluid Reaction Surfaces (i.e., Impellers) 18 6 7 21 13 65
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 10 9 7 14 24 64
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 11 15 12 15 11 64
162 Paper Making and Fiber Liberation 7 10 19 12 15 63
056 Harvesters 8 13 13 14 14 62
174 Electricity: Conductors and Insulators 7 18 13 8 14 60
358 Facsimile and Static Presentation Processing 8 4 13 17 18 60
049 Movable or Removable Closures 11 12 10 12 14 59
084 Music 10 16 10 12 11 59
436 Chemistry: Analytical and Immunological Testing 5 15 13 14 12 59
473 Games Using Tangible Projectile 9 20 13 8 9 59
119 Animal Husbandry 5 20 15 6 12 58
417 Pumps 7 5 15 13 18 58
062 Refrigeration 11 14 9 10 13 57
330 Amplifiers 9 11 8 13 16 57
208 Mineral Oils: Processes and Products 12 8 14 12 10 56
333 Wave Transmission Lines and Networks 7 12 7 15 15 56
607 Surgery: Light, Thermal, and Electrical Application 5 11 8 11 21 56
604 Surgery (Medicators and Receptors) 4 11 17 11 12 55
144 Woodworking 5 12 21 14 2 54
204 Chemistry: Electrical and Wave Energy 9 3 9 19 14 54
005 Beds 10 11 12 8 12 53
114 Ships 9 7 11 17 8 52
252 Compositions 5 5 10 16 16 52
285 Pipe Joints or Couplings 8 13 9 11 10 51
200 Electricity: Circuit Makers and Breakers 5 8 7 13 17 50
405 Hydraulic and Earth Engineering 5 8 8 13 16 50
290 Prime-Mover Dynamo Plants 5 9 9 9 16 48
351 Optics: Eye Examining, Vision Testing and Correcting 8 13 11 11 5 48
404 Road Structure, Process, or Apparatus 13 5 11 9 10 48
037 Excavating 12 17 8 5 5 47
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 9 10 12 9 7 47
105 Railway Rolling Stock 9 13 11 7 7 47
507 Earth Boring, Well Treating, and Oil Field Chemistry 5 5 20 8 8 46
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 2 7 11 14 12 46
033 Geometrical Instruments 11 10 7 8 9 45
241 Solid Material Comminution or Disintegration 10 4 9 10 12 45
095 Gas Separation: Processes 4 10 6 15 9 44
004 Baths, Closets, Sinks, and Spittoons 7 9 7 10 10 43
244 Aeronautics and Astronautics 6 5 7 17 8 43
318 Electricity: Motive Power Systems 17 8 7 5 6 43
074 Machine Element or Mechanism 9 9 7 5 12 42
081 Tools 4 6 7 10 15 42
206 Special Receptacle or Package 5 13 9 7 8 42
294 Handling: Hand and Hoist-Line Implements 7 5 6 16 8 42
363 Electric Power Conversion Systems 7 9 9 9 8 42
239 Fluid Sprinkling, Spraying, and Diffusing 8 4 8 8 13 41
055 Gas Separation 9 9 7 7 8 40
160 Flexible or Portable Closure, Partition, or Panel 6 7 8 8 10 39
323 Electricity: Power Supply or Regulation Systems 7 6 5 6 13 37
034 Drying and Gas or Vapor Contact with Solids 8 2 12 10 4 36
367 Communications, Electrical: Acoustic Wave Systems and Devices 8 7 4 8 9 36
372 Coherent Light Generators 4 11 11 5 5 36
053 Package Making 7 11 5 6 6 35
254 Implements or Apparatus for Applying Pushing or Pulling Force 7 5 4 8 11 35
273 Amusement Devices: Games 10 8 4 6 7 35
434 Education and Demonstration 1 4 4 6 20 35
108 Horizontally Supported Planar Surfaces 3 10 9 5 7 34
410 Freight Accommodation On Freight Carrier 5 1 7 5 16 34
040 Card, Picture, or Sign Exhibiting 8 12 4 2 7 33
182 Fire Escape, Ladder, or Scaffold 2 5 6 9 11 33
047 Plant Husbandry 3 7 6 6 10 32
446 Amusement Devices: Toys 4 6 3 9 10 32
096 Gas Separation: Apparatus 5 6 5 4 11 31
126 Stoves and Furnaces 4 7 6 7 7 31
165 Heat Exchange 6 10 3 8 4 31
209 Classifying, Separating, and Assorting Solids 5 8 7 6 5 31
331 Oscillators 5 11 8 4 3 31
474 Endless Belt Power Transmission Systems or Components 3 4 8 7 9 31
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 4 4 5 11 7 31
396 Photography 4 8 7 6 5 30
072 Metal Deforming 6 8 4 6 5 29
138 Pipes and Tubular Conduits 4 8 2 8 7 29
353 Optics: Image Projectors 1 8 6 6 8 29
083 Cutting 4 5 5 9 5 28
134 Cleaning and Liquid Contact with Solids 2 5 6 7 8 28
211 Supports: Racks 1 6 6 6 9 28
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 3 4 3 8 10 28
440 Marine Propulsion 2 8 7 2 9 28
708 Arithmetic Processing and Calculating (Electrical Computers) 6 5 6 5 6 28
378 X-Ray or Gamma Ray Systems or Devices 3 4 11 5 4 27
418 Rotary Expansible Chamber Devices 2 6 7 4 8 27
433 Dentistry 2 5 5 5 10 27
451 Abrading 6 2 5 4 10 27
036 Boots, Shoes, and Leggings 4 3 2 7 10 26
384 Bearings 4 4 0 7 11 26
043 Fishing, Trapping, and Vermin Destroying 3 4 6 5 7 25
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 3 4 3 7 8 25
181 Acoustics 3 7 7 3 5 25
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 4 5 10 4 25
224 Package and Article Carriers 1 4 6 4 10 25
242 Winding, Tensioning, or Guiding 4 4 10 4 3 25
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 4 5 7 2 6 24
292 Closure Fasteners 3 4 9 5 3 24
313 Electric Lamp and Discharge Devices 4 7 3 4 6 24
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 4 7 6 3 4 24
024 Buckles, Buttons, Clasps, Etc. 3 5 6 2 7 23
266 Metallurgical Apparatus 4 5 7 6 1 23
271 Sheet Feeding or Delivering 3 7 6 4 3 23
349 Liquid Crystal Cells, Elements and Systems 2 5 4 8 4 23
164 Metal Founding 3 7 2 6 4 22
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 3 9 7 3 0 22
472 Amusement Devices 1 4 5 7 5 22
102 Ammunition and Explosives 2 5 7 6 1 21
251 Valves and Valve Actuation 3 3 8 4 3 21
305 Wheel Substitutes for Land Vehicles 3 7 7 3 1 21
312 Supports: Cabinet Structure 4 4 5 4 4 21
386 Motion Video Signal Processing for Recording or Reproducing 3 4 3 2 9 21
399 Electrophotography 2 0 7 4 8 21
601 Surgery: Kinesitherapy 4 5 7 4 1 21
014 Bridges 5 4 4 4 3 20
118 Coating Apparatus 4 4 2 4 6 20
188 Brakes 2 5 1 5 7 20
228 Metal Fusion Bonding 0 3 5 6 5 19
256 Fences 3 1 7 3 5 19
366 Agitating (e.g., of articles and materials) 2 3 8 4 2 19
148 Metal Treatment 2 5 2 4 5 18
192 Clutches and Power-Stop Control 4 1 5 3 5 18
374 Thermal Measuring and Testing 4 2 1 5 6 18
030 Cutlery 1 2 5 4 5 17
070 Locks 1 1 5 4 6 17
368 Horology: Time Measuring Systems or Devices 3 2 2 5 5 17
454 Ventilation 5 4 4 2 2 17
504 Plant Protecting and Regulating Compositions 1 2 2 4 8 17
585 Chemistry of Hydrocarbon Compounds 2 4 4 2 5 17
236 Automatic Temperature and Humidity Regulation 2 3 3 7 1 16
044 Fuel and Related Compositions 4 3 2 0 6 15
089 Ordnance 3 1 0 7 4 15
101 Printing 0 6 1 6 2 15
135 Tent, Canopy, Umbrella, or Cane 3 2 7 1 2 15
136 Batteries: Thermoelectric and Photoelectric 2 1 4 2 6 15
249 Static Molds 2 2 5 3 3 15
269 Work Holders 0 1 1 6 7 15
042 Firearms 2 2 2 5 3 14
099 Foods and Beverages: Apparatus 4 2 3 3 2 14
100 Presses 5 2 1 2 4 14
261 Gas and Liquid Contact Apparatus 3 2 1 5 3 14
299 Mining or In Situ Disintegration of Hard Material 0 4 7 2 1 14
401 Coating Implements with Material Supply 1 1 3 5 4 14
071 Chemistry: Fertilizers 2 6 1 4 0 13
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 2 2 2 4 3 13
122 Liquid Heaters and Vaporizers 3 3 1 1 4 12
124 Mechanical Guns and Projectors 0 5 2 4 1 12
441 Buoys, Rafts, and Aquatic Devices 4 2 2 3 1 12
048 Gas: Heating and Illuminating 1 0 1 2 7 11
110 Furnaces 3 3 0 1 4 11
116 Signals and Indicators 3 1 6 1 0 11
173 Tool Driving or Impacting 2 3 2 2 2 11
184 Lubrication 1 1 0 6 3 11
322 Electricity: Single Generator Systems 3 1 4 1 2 11
104 Railways 3 1 1 3 2 10
277 Seal for a Joint or Juncture 1 3 2 2 2 10
392 Electric Resistance Heating Devices 3 1 2 2 2 10
400 Typewriting Machines 1 2 3 1 3 10
403 Joints and Connections 0 3 3 1 3 10
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 2 1 1 1 5 10
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 2 4 2 2 10
132 Toilet 1 1 1 3 3 9
215 Bottles and Jars 1 1 3 3 1 9
283 Printed Matter 2 1 2 2 2 9
383 Flexible Bags 1 2 2 2 2 9
431 Combustion 4 1 0 0 4 9
602 Surgery: Splint, Brace, or Bandage 2 1 3 1 2 9
149 Explosive and Thermic Compositions or Charges 0 2 3 3 0 8
227 Elongated-Member-Driving Apparatus 2 1 1 2 2 8
238 Railways: Surface Track 0 3 0 5 0 8
408 Cutting by Use of Rotating Axially Moving Tool 1 2 2 0 3 8
452 Butchering 1 1 3 1 2 8
475 Planetary Gear Transmission Systems or Components 1 0 0 4 3 8
127 Sugar, Starch, and Carbohydrates 0 0 3 3 1 7
139 Textiles: Weaving 2 0 2 2 1 7
177 Weighing Scales 1 2 3 0 1 7
212 Traversing Hoists 1 0 3 3 0 7
221 Article Dispensing 2 0 2 1 2 7
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 3 1 3 7
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 1 4 0 1 1 7
091 Motors: Expansible Chamber Type 0 1 2 2 1 6
193 Conveyors, Chutes, Skids, Guides, and Ways 1 1 1 2 1 6
267 Spring Devices 1 1 0 2 2 6
332 Modulators 1 1 2 2 0 6
338 Electrical Resistors 1 1 1 3 0 6
409 Gear Cutting, Milling, or Planing 1 3 2 0 0 6
450 Foundation Garments 0 0 0 3 3 6
460 Crop Threshing or Separating 1 2 1 1 1 6
477 Interrelated Power Delivery Controls, Including Engine Control 1 1 0 3 1 6
588 Hazardous or Toxic Waste Destruction or Containment 2 2 0 1 1 6
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 1 2 1 0 5
038 Textiles: Ironing or Smoothing 0 0 1 1 3 5
065 Glass Manufacturing 1 0 0 2 2 5
082 Turning (e.g., for metal working) 0 0 1 2 2 5
092 Expansible Chamber Devices 1 1 0 1 2 5
169 Fire Extinguishers 1 1 0 2 1 5
223 Apparel Apparatus 1 1 0 1 2 5
229 Envelopes, Wrappers, and Paperboard Boxes 0 2 1 0 2 5
237 Heating Systems 0 1 0 1 3 5
293 Vehicle Fenders 1 1 2 0 1 5
303 Fluid-Pressure and Analogous Brake Systems 1 1 1 1 1 5
369 Dynamic Information Storage or Retrieval 0 1 0 2 2 5
027 Undertaking 2 0 0 2 0 4
059 Chain, Staple, and Horseshoe Making 2 0 1 0 1 4
087 Textiles: Braiding, Netting, and Lace Making 0 1 1 2 0 4
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 1 1 2 4
131 Tobacco 1 1 0 1 1 4
196 Mineral Oils: Apparatus 3 0 0 0 1 4
202 Distillation: Apparatus 1 1 1 0 1 4
203 Distillation: Processes, Separatory 1 1 1 0 1 4
336 Inductor Devices 0 2 0 2 0 4
352 Optics: Motion Pictures 1 0 1 1 1 4
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 0 0 1 3 4
406 Conveyors: Fluid Current 2 0 1 0 1 4
407 Cutters, for Shaping 0 2 1 1 0 4
432 Heating 0 1 0 1 2 4
494 Imperforate Bowl: Centrifugal Separators 1 0 0 2 1 4
501 Compositions: Ceramic 0 1 1 1 1 4
505 Superconductor Technology: Apparatus, Material, Process 0 0 1 1 2 4
057 Textiles: Spinning, Twisting, and Twining 0 0 1 2 0 3
112 Sewing 1 0 0 2 0 3
125 Stone Working 0 0 2 1 0 3
190 Trunks and Hand-Carried Luggage 1 2 0 0 0 3
194 Check-Actuated Control Mechanisms 0 0 1 1 1 3
225 Severing by Tearing or Breaking 2 0 0 1 0 3
270 Sheet-Material Associating 2 1 0 0 0 3
298 Land Vehicles: Dumping 1 0 0 2 0 3
301 Land Vehicles: Wheels and Axles 0 0 1 2 0 3
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 1 2 0 0 0 3
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 1 1 1 3
054 Harness for Working Animal 0 0 1 1 0 2
063 Jewelry 0 0 1 0 1 2
086 Ammunition and Explosive-Charge Making 0 2 0 0 0 2
150 Purses, Wallets, and Protective Covers 1 0 0 1 0 2
159 Concentrating Evaporators 0 0 0 1 1 2
168 Farriery 1 0 0 1 0 2
185 Motors: Spring, Weight, or Animal Powered 1 1 0 0 0 2
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 2 0 0 2
191 Electricity: Transmission To Vehicles 0 0 1 0 1 2
201 Distillation: Processes, Thermolytic 0 0 1 0 1 2
213 Railway Draft Appliances 0 1 0 1 0 2
232 Deposit and Collection Receptacles 0 1 1 0 0 2
300 Brush, Broom, and Mop Making 0 1 0 0 1 2
360 Dynamic Magnetic Information Storage or Retrieval 0 0 2 0 0 2
412 Bookbinding: Process and Apparatus 0 2 0 0 0 2
449 Bee Culture (propagating, raising, caring for bees) 1 0 0 0 1 2
483 Tool Changing 0 0 0 2 0 2
492 Roll or Roller 0 0 1 1 0 2
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 1 0 0 0 1 2
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 1 1 2
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 0 0 0 2 2
012 Boot and Shoe Making 0 1 0 0 0 1
019 Textiles: Fiber Preparation 0 1 0 0 0 1
023 Chemistry: Physical Processes 0 0 1 0 0 1
051 Abrasive Tool Making Process, Material, or Composition 0 0 0 1 0 1
068 Textiles: Fluid Treating Apparatus 1 0 0 0 0 1
069 Leather Manufactures 0 1 0 0 0 1
076 Metal Tools and Implements, Making 0 0 1 0 0 1
140 Wireworking 1 0 0 0 0 1
152 Resilient Tires and Wheels 0 0 0 1 0 1
157 Wheelwright Machines 1 0 0 0 0 1
216 Etching a Substrate: Processes 0 0 0 0 1 1
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 1 0 0 0 1
226 Advancing Material of Indeterminate Length 0 0 1 0 0 1
231 Whips and Whip Apparatus 0 0 1 0 0 1
246 Railway Switches and Signals 1 0 0 0 0 1
281 Books, Strips, and Leaves 0 0 0 1 0 1
295 Railway Wheels and Axles 0 0 0 0 1 1
329 Demodulators 0 1 0 0 0 1
337 Electricity: Electrothermally or Thermally Actuated Switches 0 1 0 0 0 1
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 0 1 0 1
419 Powder Metallurgy Processes 0 0 0 0 1 1
420 Alloys or Metallic Compositions 0 0 0 1 0 1
476 Friction Gear Transmission Systems or Components 0 1 0 0 0 1
ALL ALL CLASSES 3655 4852 5014 5775 6547 25843



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U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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